
Lamp for soldering

There is a whole class of electronic devices that operate in standby mode, “waking up” only for a short time to perform their tasks, such as apartment bell, simple security system, automatic watering installation, houseplants and some other such devices in order to save electricity, it is desirable decrease in voltage when they are “resting.”
often need Amateurs with a passion for designing low-frequency amplifiers. But in the sale they are not always. The solution? To make a simple potentiometer with taps. For this it is necessary to remove the cover and remove the axle with the slider. Then with an awl to puncture the plastic covering the hole in Read more…
In recent years, and became noticeable interference in a household outlet, requiring protection home electronic equipment TVs, home audio, computers. These impairments lead to “tearing” of the image on the screens, heard the clicks and POPs from the speakers, “sboyat” digital devices. It is especially annoying when this happens while recording any programs.
With the approach of the New year interest in the “automation tree” increases dramatically. Everyone wants to decorate a beautiful Christmas tree with garlands of “live” light-driven commands to the electronic devices. One of them is the device to create the effect “running fire” — we tell today.